SurfaceFlinger: Add "Abstract" Layer type.
Add an Abstract Layer type which exists only to be a parent. We
will use this to more cleanly represent the various hierarchy Layers
from the WM and for an upcoming screenshot rework.
Bug: 72760590
Test: Existing tests pass
Change-Id: Icd19ab0a467585660a95ae37b9c5dd4b8106da9d
diff --git a/services/surfaceflinger/Android.bp b/services/surfaceflinger/Android.bp
index 3531c4e..ecb5971 100644
--- a/services/surfaceflinger/Android.bp
+++ b/services/surfaceflinger/Android.bp
@@ -84,6 +84,7 @@
"BufferLayerConsumer.cpp",
"Client.cpp",
"ColorLayer.cpp",
+ "ContainerLayer.cpp",
"DisplayDevice.cpp",
"DisplayHardware/ComposerHal.cpp",
"DisplayHardware/FramebufferSurface.cpp",
diff --git a/services/surfaceflinger/ColorLayer.h b/services/surfaceflinger/ColorLayer.h
index 8f92f0a..0cde398 100644
--- a/services/surfaceflinger/ColorLayer.h
+++ b/services/surfaceflinger/ColorLayer.h
@@ -13,16 +13,13 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+#pragma once
-#ifndef ANDROID_COLOR_LAYER_H
-#define ANDROID_COLOR_LAYER_H
-
-#include <stdint.h>
#include <sys/types.h>
-#include "Layer.h"
+#include <cstdint>
-// ---------------------------------------------------------------------------
+#include "Layer.h"
namespace android {
@@ -40,8 +37,4 @@
void setPerFrameData(const sp<const DisplayDevice>& displayDevice) override;
};
-// ---------------------------------------------------------------------------
-
-}; // namespace android
-
-#endif // ANDROID_COLOR_LAYER_H
+} // namespace android
diff --git a/services/surfaceflinger/ContainerLayer.cpp b/services/surfaceflinger/ContainerLayer.cpp
new file mode 100644
index 0000000..2f89cc1
--- /dev/null
+++ b/services/surfaceflinger/ContainerLayer.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// #define LOG_NDEBUG 0
+#undef LOG_TAG
+#define LOG_TAG "AbstractLayer"
+
+#include "AbstractLayer.h"
+
+namespace android {
+
+AbstractLayer::AbstractLayer(SurfaceFlinger* flinger, const sp<Client>& client, const String8& name,
+ uint32_t w, uint32_t h, uint32_t flags)
+ : Layer(flinger, client, name, w, h, flags) {
+ mDrawingState = mCurrentState;
+}
+
+void AbstractLayer::onDraw(const RenderArea&, const Region& /* clip */, bool) const {}
+
+bool AbstractLayer::isVisible() const {
+ return !isHiddenByPolicy();
+}
+
+void AbstractLayer::setPerFrameData(const sp<const DisplayDevice>&) {}
+
+} // namespace android
diff --git a/services/surfaceflinger/ContainerLayer.h b/services/surfaceflinger/ContainerLayer.h
new file mode 100644
index 0000000..808ae33
--- /dev/null
+++ b/services/surfaceflinger/ContainerLayer.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include <sys/types.h>
+
+#include <cstdint>
+
+#include "Layer.h"
+
+namespace android {
+
+class AbstractLayer : public Layer {
+public:
+ AbstractLayer(SurfaceFlinger* flinger, const sp<Client>& client, const String8& name,
+ uint32_t w, uint32_t h, uint32_t flags);
+ virtual ~AbstractLayer() = default;
+
+ const char* getTypeId() const override { return "AbstractLayer"; }
+ void onDraw(const RenderArea& renderArea, const Region& clip,
+ bool useIdentityTransform) const override;
+ bool isVisible() const override;
+
+ void setPerFrameData(const sp<const DisplayDevice>& displayDevice) override;
+};
+
+} // namespace android
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index ef8c7b0..ab004f2 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -17,7 +17,6 @@
#ifndef ANDROID_LAYER_H
#define ANDROID_LAYER_H
-#include <stdint.h>
#include <sys/types.h>
#include <utils/RefBase.h>
@@ -35,6 +34,7 @@
#include <gui/BufferQueue.h>
#include <list>
+#include <cstdint>
#include "Client.h"
#include "FrameTracker.h"